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Article: Topological s-wave superconductors driven by electron correlation
Title | Topological s-wave superconductors driven by electron correlation |
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Authors | |
Issue Date | 2021 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ |
Citation | Physical Review B: covering condensed matter and materials physics, 2021, v. 103 n. 2, p. article no. 024514 How to Cite? |
Abstract | It is interesting to ask whether electron interaction can turn a topologically trivial superconductor into a nontrivial one without the presence of spin-orbital coupling. In this paper we solve a correlated s-wave superconducting model exactly. The variation of the fermion number parity of the superconducting ground state as a function of the electron interaction is calculated, and the topological phase diagram is obtained. Topological s-wave superconducting states are revealed in the doped Mott insulators, which is further confirmed by the numerical investigation of the topological boundary zero mode. |
Persistent Identifier | http://hdl.handle.net/10722/296303 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 1.345 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zhu, HS | - |
dc.contributor.author | Li, Z | - |
dc.contributor.author | Han, Q | - |
dc.contributor.author | Wang, ZD | - |
dc.date.accessioned | 2021-02-22T04:53:24Z | - |
dc.date.available | 2021-02-22T04:53:24Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Physical Review B: covering condensed matter and materials physics, 2021, v. 103 n. 2, p. article no. 024514 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.uri | http://hdl.handle.net/10722/296303 | - |
dc.description.abstract | It is interesting to ask whether electron interaction can turn a topologically trivial superconductor into a nontrivial one without the presence of spin-orbital coupling. In this paper we solve a correlated s-wave superconducting model exactly. The variation of the fermion number parity of the superconducting ground state as a function of the electron interaction is calculated, and the topological phase diagram is obtained. Topological s-wave superconducting states are revealed in the doped Mott insulators, which is further confirmed by the numerical investigation of the topological boundary zero mode. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ | - |
dc.relation.ispartof | Physical Review B: covering condensed matter and materials physics | - |
dc.rights | Copyright [2021] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevB.103.024514]. | - |
dc.title | Topological s-wave superconductors driven by electron correlation | - |
dc.type | Article | - |
dc.identifier.email | Wang, ZD: physhead@hku.hk | - |
dc.identifier.authority | Wang, ZD=rp00818 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevB.103.024514 | - |
dc.identifier.scopus | eid_2-s2.0-85100190242 | - |
dc.identifier.hkuros | 321403 | - |
dc.identifier.volume | 103 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | article no. 024514 | - |
dc.identifier.epage | article no. 024514 | - |
dc.identifier.isi | WOS:000608617800008 | - |
dc.publisher.place | United States | - |